** But analysts say investors are ignoring industry fundamentals and tools sponsors can use to navigate through challenging environments

** Renewables's rapid growth (due to favorable economics rather than government policy), their very low current penetration globally, and developers' ability to achieve returns well above cost of capital seen driving Yieldcos growth, Morgan Stanley analysts write in note

** SunEdison could follow the MLP script and sell assets to its affiliates in exchange for additional stock, versus cash, which eliminates yieldcos' need to continually tap the equity markets

** SUNE has already shown willingness to lower prices of renewable projects it drops down into TerraForm Power Inc and could also modify its incentive distribution rights (IDRs) structure to boost sentiment

** On a technical basis, speed of SUNE swoon particularly worrisome, but now most oversold since Q2 2012 on weekly RSI. Chart: link.reuters.com/pyf45w

** So far stock essentially finding support at 200-WMA

** Snap back can be sharp, but in event stock thrusts over $16.25, likely to struggle toward additional resistance in the low $20.00 area

** Under the $11.79 low can suggest the collapse can continue (RM: lance.tupper.thomsonreuters.com@reuters.net; RM: terence.gabriel.thomsonreuters.com@reuters.net)